The main combo revolves around a Pod effect, like on Vivien on the Hunt and Birthing Pod, and making infinite combos with Kiki-Jiki, Mirror Breaker
I am not going to spend any time discussing the minor pros and cons of the various two mana burns spells though
Chain of Vapor - 45,201 decks Market Price: $14.52 A deceptively powerful defensive tool, Chain is so much better than both an Unsummon, which only targets creatures, or, say, an Into the Roil, that hits all nonland permanents but costs two mana
The blue ability adds even more fun (and a bit of control) by letting you reroll any die, which helps you high-roll into a board of chunky tokens or fix a bad roll from one of your other dice-happy effects
In some ways that is good as it lets you increase your consistency without costing you tempo